Home / 396,123.32-546,720.06-235,067.17

Finding the Fourth Proportional to 396,123.32, 546,720.06 and 235,067.17

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Solution

The fourth proportional to 396,123.32, 546,720.06 and 235,067.17 is: 324,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,123.32 : 546,720.06 = 235,067.17 : x
  2. Step 2: Convert to fraction form
    396,123.32/546,720.06 = 235,067.17/x
  3. Step 3: Cross multiply
    396,123.32x = 546,720.06 × 235,067.17
  4. Step 4: Simplify right side
    396,123.32x = 128,515,937,286.43
  5. Step 5: Solve for x
    x = 128,515,937,286.43/396,123.32
  6. Step 6: Final answer
    x = 324,434.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.